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<br />0) <br />0) <br />If) <br />C\J <br />Q <br />o <br /> <br /> <br /> <br />I. INTRODUCTION <br /> <br />The purpose of Activity 3 is for documenting and displaying <br />informstion relating to severe and unresolved water and related <br />land problems in the Rio Grande Region. Twenty-one problem areas <br />in the Region were identified and described, and their locations <br />were shown on a regional map in Activity 1, Problem Identification. <br />During Activity 2 all 21 problem areas were considered to be severe <br />or major problems (Group A). Only 13 Group A severe unresolved <br />problem areas are described and discussed in this report. <br /> <br />OVERVIEW OF PROBLEMS <br /> <br />Brief overviews follow of problem areas identified by the <br />States in Activity 2 of the Rio Grande Region as compared to those <br />identified in this report. <br /> <br />COLORADO <br /> <br />The problem issues herein are those identified in Activities 1 <br />and 2. However, the SRF withdrawal requirements for irrigation in <br />Figures 2 and 7 of Activity 2 have been adjusted to reflect the omis- <br />sion of groundwater withdrawal, and this adjustment will be shown in <br />Activity 4, the Specific Problem Analysis Summa~Report, Rio Grande <br />Region. <br /> <br />NEW MEXICO <br /> <br />Five Group A problems in the Rio Grande Region in New Mexico <br />are outlined. Problem No. 1 includes all of the area in the Rio <br />Grande Region 'in New Mexico. Problem No. 2 shows areas where rapid <br />urban growth is occurring. Problem No.3 consists of flooding, <br />sediment, and salinity problems along the mainstem of the Rio Grande <br />and its tributaries. Problem No. 4 consists of water quality prob- <br />lems along the mainstem of the Pecos River below Santa Rosa. Prob- <br />lem No. 5 identifies areas were irrigation pumping from groundwater <br />supplies results in depletion at a rate which exceeds recharge and <br />groundwater mining is occurring. This is a change in problem areas <br />outlined and described in Activities 1 and 2 where a total of 14 <br />problem areas were identified, 10 in the Rio Grande drainage and 4 <br />in the Pecos drainage which collectively form the New Mexico portion of <br />the Rio Grande Region. <br /> <br />TEXAS <br /> <br />Four problem areas were identified in Activity 2 in ASA's 1302, <br />1303, and 1305, that were considered critical and in need of resolution. <br /> <br />1 <br />